<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Promise-封装 | 5 - 状态只能修改一次 </title>
    <script src="./promise.js"></script>
</head>
<body>
    <script>
        let p = new Promise((resolve, reject) => {
            reject("error");
            resolve('OK');
            //抛出异常
            // throw "error";
        });

        console.log(p);
    </script>
</body>
</html>